Pith Number

pith:QCU7YNFX

pith:2017:QCU7YNFXXE7SK5CDMZZ6B2J4DB

not attested not anchored not stored refs pending

On the optimality of the uniform random strategy

Christopher Kusch, Christoph Spiegel, Juanjo Ru\'e, Tibor Szab\'o

arxiv:1711.07251 v2 · 2017-11-20 · math.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QCU7YNFXXE7SK5CDMZZ6B2J4DB}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:09:00.322691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80a9fc34b7b93f2574436673e0e93c1840fc52c43b4e2baa3fd9a71a0a7d3c94

Aliases

arxiv: 1711.07251 · arxiv_version: 1711.07251v2 · doi: 10.48550/arxiv.1711.07251 · pith_short_12: QCU7YNFXXE7S · pith_short_16: QCU7YNFXXE7SK5CD · pith_short_8: QCU7YNFX

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/QCU7YNFXXE7SK5CDMZZ6B2J4DB \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 80a9fc34b7b93f2574436673e0e93c1840fc52c43b4e2baa3fd9a71a0a7d3c94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "772d90b3ab3ce004fce2e9c00d9ecf9d6d129d2ef82f2a646edc838f79ddc17a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-11-20T10:53:36Z",
    "title_canon_sha256": "6d752181c904f3c845fabab966183d41259ae3c423d799b875b3e9cf5ec06531"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.07251",
    "kind": "arxiv",
    "version": 2
  }
}